704022491 has 2 divisors, whose sum is σ = 704022492. Its totient is φ = 704022490.

The previous prime is 704022481. The next prime is 704022497. The reversal of 704022491 is 194220407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 704022491 - 2²² = 699828187 is a prime.

It is not a weakly prime, because it can be changed into another prime (704022497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352011245 + 352011246.

It is an arithmetic number, because the mean of its divisors is an integer number (352011246).

Almost surely, 2^704022491 is an apocalyptic number.

704022491 is a deficient number, since it is larger than the sum of its proper divisors (1).

704022491 is an equidigital number, since it uses as much as digits as its factorization.

704022491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 704022491 is about 26533.4221501864. The cubic root of 704022491 is about 889.6015095239.

Adding to 704022491 its reverse (194220407), we get a palindrome (898242898).

The spelling of 704022491 in words is "seven hundred four million, twenty-two thousand, four hundred ninety-one".